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Updated: Jun 3, 2026

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions
Published on: July 22, 2013
Single-walled carbon nanotube thin film gas sensors controlled by diffusion
Dong Hoon Oh1, Nguyen Duc Hoa, Dojin Kim
1Department of Materials Science and Engineering, Chungnam National University, Daejeon 305-764, Korea.
Abstract:
The electrical and gas sensing properties of mat-type thin films fabricated by the packing of single-walled carbon nanotubes are investigated. The responses of the sensors with various thicknesses or resistances are measured, and the behavior is explained by a diffusion model. The successful explanation of the sensor response using the diffusion model suggests that the mat-type structure of compacted carbon nanotubes can be treated as a porous medium for gas sensor applications.
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